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    Subject[PATCH AUTOSEL 5.1 47/70] ia64: fix build errors by exporting paddr_to_nid()
    Date
    From: Randy Dunlap <rdunlap@infradead.org>

    [ Upstream commit 9a626c4a6326da4433a0d4d4a8a7d1571caf1ed3 ]

    Fix build errors on ia64 when DISCONTIGMEM=y and NUMA=y by
    exporting paddr_to_nid().

    Fixes these build errors:

    ERROR: "paddr_to_nid" [sound/core/snd-pcm.ko] undefined!
    ERROR: "paddr_to_nid" [net/sunrpc/sunrpc.ko] undefined!
    ERROR: "paddr_to_nid" [fs/cifs/cifs.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/video/fbdev/core/fb.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/usb/mon/usbmon.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/usb/core/usbcore.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/md/raid1.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/md/dm-mod.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/md/dm-crypt.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/md/dm-bufio.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/ide/ide-core.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/ide/ide-cd_mod.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/gpu/drm/drm.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/char/agp/agpgart.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/block/nbd.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/block/loop.ko] undefined!
    ERROR: "paddr_to_nid" [drivers/block/brd.ko] undefined!
    ERROR: "paddr_to_nid" [crypto/ccm.ko] undefined!

    Reported-by: kbuild test robot <lkp@intel.com>
    Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
    Cc: Tony Luck <tony.luck@intel.com>
    Cc: Fenghua Yu <fenghua.yu@intel.com>
    Cc: linux-ia64@vger.kernel.org
    Signed-off-by: Tony Luck <tony.luck@intel.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/ia64/mm/numa.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c
    index a03803506b0c..5e1015eb6d0d 100644
    --- a/arch/ia64/mm/numa.c
    +++ b/arch/ia64/mm/numa.c
    @@ -55,6 +55,7 @@ paddr_to_nid(unsigned long paddr)

    return (i < num_node_memblks) ? node_memblk[i].nid : (num_node_memblks ? -1 : 0);
    }
    +EXPORT_SYMBOL(paddr_to_nid);

    #if defined(CONFIG_SPARSEMEM) && defined(CONFIG_NUMA)
    /*
    --
    2.20.1
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